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參數(shù)資料
| 型號： | ML4804 |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Power Factor Correction and PWM Controller Combo(功率因數(shù)校正器和PWM控制器組合芯片) |
| 中文描述： | 功率因數(shù)校正和PWM控制器組合（功率因數(shù)校正器和脈寬調(diào)制控制器組合芯片） |
| 文件頁數(shù)： | 2/14頁 |
| 文件大小： | 296K |
| 代理商： | ML4804 |
ML4804
2
REV. 1.0 10/10/2000
PIN CONFIGURATION
PIN DESCRIPTION
PIN
NAME
FUNCTION
9
DC I
LIMIT
PWM cycle-by-cycle current
limit comparator input
10
GND
Ground
11
PWM OUT
PWM driver output
12
PFC OUT
PFC driver output
13
V
CC
Positive supply
14
V
REF
Buffered output for the internal
7.5V reference
15
V
FB
PFC transconductance voltage
error amplifier input
16
VEAO
PFC transconductance voltage
error amplifier output
PIN
NAME
FUNCTION
1
IEAO
Slew rate enhanced PFC
transconductance error amplifier output
2
I
AC
PFC AC line reference input to Gain
Modulator
3
I
SENSE
Current sense input to the PFC Gain
Modulator
4
V
RMS
PFC Gain Modulator RMS line voltage
compensation input
5
SS
Connection point for the PWM soft start
capacitor
6
V
DC
PWM voltage feedback input
7
RAMP 1
Oscillator timing node; timing set
by R
T
C
T
8
RAMP 2
When in current mode, this pin
functions as the current sense input;
when in voltage mode, it is the PWM
modulation ramp input.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IEAO
IAC
ISENSE
VRMS
SS
VDC
RAMP 1
RAMP 2
VEAO
VFB
VREF
VCC
PFC OUT
PWM OUT
GND
DC ILIMIT
TOP VIEW
ML4804
16-Pin PDIP (P16)
16-Pin Narrow SOIC (S16N)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ML4805 | Variable Feedforward PFC/PWM Controller Combo |
| ML4805CP | Variable Feedforward PFC/PWM Controller Combo |
| ML4805CS | Variable Feedforward PFC/PWM Controller Combo |
| ML4805IP | Variable Feedforward PFC/PWM Controller Combo |
| ML4805IS | Variable Feedforward PFC/PWM Controller Combo |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML4804CP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Power Factor Correction and PWM Controller Combo |
| ML4804CS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Power Factor Correction and PWM Controller Combo |
| ML4804IP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Power Factor Correction and PWM Controller Combo |
| ML4804IS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Power Factor Correction and PWM Controller Combo |
| ML4805 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Variable Feedforward PFC/PWM Controller Combo |
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